Table 4.
Patient characteristics stratified according to the severity of pulmonary edema
| Characteristics | Group I (no consolidation, n=36) | Group II (alveolar, n=23) | Group III (lobar, n=24) | Group IV (total white-out, n=24) | Significance of correlation |
|
|---|---|---|---|---|---|---|
| rho | P-value | |||||
| Sex (male) | 28 (77.8) | 15 (65.2) | 17 (70.8) | 18 (75.0) | -0.03 | 0.776 |
| Age (yr) | 58 (51–74) | 74 (66–78) | 71 (57–75) | 65 (57–74) | 0.10 | 0.316 |
| Public place | 18 (50.0) | 4 (17.4) | 6 (25.0) | 7 (29.2) | -0.18 | 0.065 |
| Shockable initial rhythm | 23 (63.9) | 8 (34.8) | 11 (45.8) | 6 (25.0) | -0.27 | 0.005 |
| Witnessed cardiac arrest | 26 (72.2) | 18 (78.3) | 21 (87.5) | 21 (87.5) | 0.16 | 0.091 |
| Bystander CPR | 17 (47.2) | 8 (34.8) | 10 (41.7) | 12 (50.0) | 0.01 | 0.890 |
| Time to CPR (min) | 4 (0–7) | 5 (0–12) | 4 (1–13) | 7 (0–11) | 0.11 | 0.292 |
| Total duration of CPR | 17 (7–28) | 21 (15–32) | 31 (22–41) | 28 (21–36) | 0.36 | < 0.001 |
| Therapeutic hypothermia | 23 (63.9) | 11 (47.8) | 15 (62.5) | 11 (45.8) | -0.10 | 0.289 |
| WBC count (109/L) | 12.8 (9.7–14.6) | 12.3 (9.2–16.3) | 10.6 (9.1–11.7) | 12.1 (10.8–14.2) | -0.05 | 0.605 |
| Haematocrit (%) | 42.6 (39.7–45.7) | 38 (35.4–42.5) | 40.3 (32.7–44.3) | 41.3 (35.6–47.1) | -0.14 | 0.139 |
| Platelet (109/L) | 179 (132–223) | 165 (121–210) | 168 (125–202) | 182 (135–240) | -0.02 | 0.857 |
| AST (IU/L) | 56 (40–125) | 70 (49–155) | 96 (53–192) | 53 (36–105) | 0.03 | 0.777 |
| ALT (IU/L) | 48 (27–80) | 59 (41–108) | 52 (30–98) | 32 (22–80) | -0.01 | 0.946 |
| Total bilirubin (mg/dL) | 0.7 (0.5–1.0) | 0.7 (0.4–1.0) | 0.6 (0.5–1.0) | 0.8 (0.6–1.2) | 0.05 | 0.646 |
| Albumin (g/dL) | 4 (3.6–4.3) | 3.5 (3.0–4.0) | 3.6 (2.6–4.0) | 3.7 (3.2–4.2) | -0.23 | 0.021 |
| PT INR | 1.2 (1.1–1.4) | 1.3 (1.1–1.8) | 1.3 (1.1–1.7) | 1.2 (1.1–1.5) | 0.09 | 0.374 |
| Urea nitrogen (mg/dL) | 17 (14–23) | 21 (12–37) | 21 (16–24) | 19 (17–27) | 0.16 | 0.105 |
| Creatinine (mg/dL) | 1.2 (0.9–1.5) | 1.2 (1.1–1.8) | 1.3 (1.1–1.7) | 1.4 (1.1–2.0) | 0.20 | 0.042 |
| C-reactive protein (mg/dL) | 0.3 (0.3–0.3) | 0.3 (0.3–3.3) | 0.3 (0.3–2.6) | 0.3 (0.3–2.3) | 0.19 | 0.058 |
| CK-MB (ng/mL) | 2.0 (0.5–4.6) | 2.3 (1.2–6.3) | 4.2 (0.7–16.6) | 2.4 (1.3–6.0) | 0.13 | 0.191 |
| Troponin I (ng/mL) | 0.05 (0.04–0.17) | 0.06 (0.04–0.18) | 0.09 (0.04–1.87) | 0.07 (0.04–1.29) | 0.07 | 0.498 |
| pO2 (mmHg) | 113.1 (45.2–164.9) | 87.4 (53.3–220.0) | 58.2 (14.3-82.6) | 66.2 (28.4–95.4) | -0.24 | 0.016 |
| pCO2 (mmHg) | 48.5 (33.2–68.9) | 55.7 (44.7–79.8) | 58.5 (48.5–76.1) | 70.4 (60.6–89.8) | 0.33 | < 0.001 |
| Base deficit (mmol/L) | 12.4 ± 6.2 | 13.8 ± 7.7 | 12.7 ± 6.7 | 14.1 ± 6.0 | 0.09 | 0.373 |
| Blood lactate (mmol/L) | 10 (7.2–14.2) | 11.4 (6.0–18.2) | 12 (9.7–14.5) | 13.9 (10.2–15.8) | 0.16 | 0.148 |
| Cardiothoracic ratio (%) | 56 (50–58) | 55 (49–63) | 57 (55–59) | 58 (49–64) | 0.12 | 0.204 |
Values are presented as number (%), median (IQR) or mean±SD.
CPR, cardiopulmonary resuscitation; WBC, white blood cell; AST, aspartate aminotransferase; ALT, alanine aminotransferase; PT, prothrombin time; INR, international normalisation ratio; CK, creatinine kinase.